Hormone Changes After 35: What Traditional Chinese Medicine Can Teach Us

Discover the seven-year cycles of women in Chinese Medicine and how to nourish your body through your late 30s and 40s.

Have you noticed that your body responds a little differently than it did a few years ago? Perhaps your menstrual cycle is changing, your sleep has become lighter, or you feel more sensitive to stress, particularly in the days leading up to your period. Sometimes these changes are subtle, but enough to make you wonder whether your hormones are shifting as you approach your 40s.

While reproductive hormones naturally change as we age, not every symptom is a sign of perimenopause. Our menstrual health is influenced by many aspects of our wellbeing, and understanding what's happening often means looking beyond hormones alone.

One of the things I find fascinating about Traditional Chinese Medicine (TCM) is how it has viewed women's health through different life stages for thousands of years. Rather than expecting our bodies to function in exactly the same way throughout adulthood, TCM describes a woman's life in seven-year cycles, each associated with changes in growth, reproductive vitality, and energy. The fifth cycle, beginning around age 35, offers a particularly interesting perspective on the years leading up to midlife.

Curious to understand your own cycle a little better and discover what your body truly needs? Let's explore it together through a personal Hormone Health Consultation.

The Seven-Year Cycles of Women in Traditional Chinese Medicine

The concept of seven-year cycles originates from the Huangdi Neijing (The Yellow Emperor's Inner Classic), one of the foundational texts of Chinese Medicine. Each cycle represents a different stage in a woman's development, from reproductive maturity to the gradual transition beyond her reproductive years.

Central to this philosophy is Kidney Jing, often translated as vital essence, which is traditionally associated with growth, reproduction, and ageing. Although Jing isn't a measurable hormone or physical energy reserve, it offers a way of understanding how our vitality and needs may evolve throughout life.

Ages 35–42: The Fifth Cycle

In classical TCM, the fifth cycle marks the beginning of a gradual shift in reproductive vitality. Traditional texts describe changes in the Yangming channels, associated with nourishment and the body's vitality.

This doesn't mean your hormones suddenly become imbalanced at 35. Rather, it's a reminder that this can be a valuable time to pay closer attention to your menstrual health, nutritional needs, and recovery. Instead of waiting until symptoms appear, we can begin supporting our wellbeing more intentionally.

Ages 42–49: The Sixth Cycle

The sixth cycle is traditionally associated with further changes in Qi, Blood and, reproductive essence. For some women, this period also coincides with perimenopause, when menstrual cycles may become less predictable, and changes in sleep, mood or body temperature can appear.

These traditional stages aren't fixed biological milestones, however. Every woman experiences reproductive ageing differently, and changes in wellbeing deserve individual attention rather than automatic assumptions.

Around Age 49: The Seventh Cycle and the Second Spring

In TCM, the seventh cycle is traditionally associated with the end of menstruation, sometimes poetically described as Di Er Chun (第二春), or the Second Spring.

Rather than viewing menopause only as the end of fertility, this philosophy celebrates a new chapter of renewal, wisdom, and personal growth. It's a beautiful reminder that each stage of womanhood can bring its own kind of vitality.

What Your Menstrual Cycle Can Tell You About Your Hormone Health

Our menstrual cycles are influenced by a complex relationship between the brain, ovaries and, reproductive hormones, particularly oestrogen and progesterone. These hormones fluctuate throughout the month and can influence sleep, mood, and energy as well as menstruation.

Changes in cycle length, menstrual flow or premenstrual symptoms can provide useful information about your health. Tracking your cycle, including sleep, mood and energy, can help you recognise patterns and understand what's normal for you. New or persistent changes, particularly unexpected bleeding, should be assessed by a healthcare professional.

In TCM, menstrual patterns are traditionally interpreted through the movement of Qi and Blood and the balance between Yin and Yang. While these concepts are different from modern hormonal physiology, they encourage a more attentive, whole-person approach to women's health.

Yin, Yang and Jing: Understanding Women's Vitality Through TCM

In Traditional Chinese Medicine, Yin and Yang describe two complementary aspects of balance. Yin is associated with cooling, rest, and nourishment, while Yang represents warmth, movement, and activity. Jing, our vital essence in TCM philosophy, is associated with the body's growth, reproduction, and ageing.

What I find relevant is how easily our lives become dominated by activity. Between work, family responsibilities, and exercise, we often expect ourselves to keep going without giving much thought to recovery.

The philosophy of Yin and Yang reminds us that rest and nourishment are just as important as movement and activity. It's not about doing less, but about finding a rhythm that supports our health as our needs evolve.

How to Support Your Hormone Health After 35

There is no single food or routine that can balance every woman's hormones, but nutrition and lifestyle play an important role in supporting overall wellbeing as we age.

Nourish yourself consistently. Rather than focusing only on foods to avoid, pay attention to whether you're eating enough and getting a good balance of protein, complex carbohydrates, and healthy fats. Iron-rich foods are especially important for menstruating women, while calcium, vitamin D, and protein support bone and muscle health.

Enjoy warm, cooked meals. In TCM dietary therapy, soups, stews, porridge, and cooked vegetables are traditionally valued for supporting digestion. As a chef, I love incorporating these principles into my cooking, especially during colder seasons. While warm foods aren't necessary for hormonal balance, they can be a comforting and nourishing part of a varied diet.

Build strength and allow recovery. Regular movement, particularly strength training, supports muscle and bone health. Walking, Pilates, yoga, and Qigong can complement this by encouraging movement, breathing, and relaxation. Finding a balance between activity and recovery is often more sustainable than constantly pushing yourself.

Pay attention to your body's patterns. Notice how your sleep, mood, energy, and appetite change throughout your menstrual cycle. These observations can help you make more informed decisions about your wellbeing and identify when additional support might be helpful.

A New Chapter of Understanding Your Body

Whether you're 35, approaching 40, or already well into your 40s, the seven-year cycles of Traditional Chinese Medicine offer an interesting perspective on the way our needs change throughout life.

For me, one of the most valuable lessons is that nourishment goes beyond what we eat. It also includes how we rest, move, and respond to the signals our bodies give us. Rather than waiting until we feel disconnected from our health, we can begin building that awareness now.

Personalised Hormone Health Coaching for Women

Every woman's cycle, nutritional needs, and lifestyle are different. As a certified Integrative Nutrition Health Coach, Hormone Health Coach, and chef, I help women better understand their bodies and develop supportive habits through nutrition and lifestyle, with a holistic perspective inspired by Traditional Chinese Medicine.

If you're noticing changes in your cycle, energy, or wellbeing, or simply want to take a more proactive approach to your health, we can begin with a personal Hormone Health Consultation. Together, we'll explore your concerns, nutrition, and lifestyle, and identify practical steps that may support you. If you'd like more ongoing guidance, we can also discuss my Cycle Reset Programme.

Based in Cascais, Portugal, supporting women in Lisbon, Cascais, Sintra, and online.

Written by Leslie, certified Integrative Nutrition Health Coach and Hormone Health Coach, chef, and founder of Nourished by Leslie.

This article is for educational purposes and does not replace medical advice, diagnosis or treatment.